After 1947 the new company Grünenthal focused its production almost entirely on antibiotics. Thalidomide would become the first non‐antibiotic Grünenthal manufactured and sold – and also its best selling product.

Source: Anklageschrift (indictment) from 1967, today archived at the National Archives of North Rhine-Westphalia in Duisburg, Germany (Rheinland Division, Gerichte Rep. 139, No. 1–396), p. 45.